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Parse binary number literals

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Fábio Santos 2015-08-14 03:24:54 +01:00 committed by Burak Can
parent 0a4270b358
commit a4d6ed076a
1 changed files with 6 additions and 3 deletions
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9
lib/parse.js
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@ -59,6 +59,8 @@ var OPERATOR_CHARS = makePredicate(characters("+-*&%=<>!?|~^"));
var RE_HEX_NUMBER = /^0x[0-9a-f]+$/i; var RE_HEX_NUMBER = /^0x[0-9a-f]+$/i;
var RE_OCT_NUMBER = /^0[0-7]+$/; var RE_OCT_NUMBER = /^0[0-7]+$/;
var RE_BIN_NUMBER = /^0b[01]+$/;
var RE_DEC_NUMBER = /^\d*\.?\d*(?:e[+-]?\d*(?:\d\.?|\.?\d)\d*)?$/i;
var OPERATORS = makePredicate([ var OPERATORS = makePredicate([
"in", "in",
@ -181,9 +183,10 @@ function parse_js_number(num) {
return parseInt(num.substr(2), 16); return parseInt(num.substr(2), 16);
} else if (RE_OCT_NUMBER.test(num)) { } else if (RE_OCT_NUMBER.test(num)) {
return parseInt(num.substr(1), 8); return parseInt(num.substr(1), 8);
} else { } else if (RE_BIN_NUMBER.test(num)) {
var val = parseFloat(num); return parseInt(num.substr(2), 2);
if (val == num) return val; } else if (RE_DEC_NUMBER.test(num)) {
return parseFloat(num);
} }
}; };